41+ Brown Spots On Watermelon. Troubleshooting brown spots on a lawn can be difficult, as causes range from lack of water and dull lawn mower blades, to grub damage and fungus. This occurs when the soil is deficient in calcium.
Black Patches On Watermelon Peperomia Gardening Landscaping Stack Exchange from i.stack.imgur.com
It could be just a couple of bad burns or it could be just years of golfing in shorts without much sunscreen. Can not tell if it's just a deficiency or something worse like rust rot. What's interesting is you'll notice that the other side of the same watermelon looks completely if you see black spots on the melon (as pictured above), this is where sugar is seeping out and indicates a sweet melon.
And rapidly spreading to entire leaf.
Many of the red, pink, or brown spots you find on your skin are harmless, but some can signal serious skin issues or diseases. A dark mark is caused by melanin (skin pigment) that's densely collected in one place on the epidermis, also known as. Generally, spotting of light brown color shouldn't be left without attention. My watermelon peperomia that i purchased about 3 weeks ago keeps turning black!
